Implications of environmental regulation and coal plant retirements in systems with large scale penetration of wind power

Mohsen Rahmani, Paulina Jaramillo and Gabriela Hug

Energy Policy, 2016, vol. 95, issue C, 196-210

Abstract: Over the last decade there have been a growing number of federal and state regulations aimed at controlling air emissions at power plants and/or increasing the penetration of renewable resources in the grid. Environmental Protection Agency regulations will likely lead to the retrofit, retirement, or replacement of coal-fired power plants while the state Renewable Portfolio Standards will continue to drive large-scale deployment of renewable energy sources, primarily wind. Combined, these changes in the generation fleet could have profound implications for the operations of the power system. In this paper, we aim to better understand the interaction between coal plant retirements and increased levels of wind power. We extensively analyze the operations of the PJM electricity system under a broad set of scenarios that include varying levels of wind penetration and coal plant retirements. Not surprisingly, we find that without transmission upgrades, retirement of coal-fired power plants will likely result in considerable transmission congestion and higher energy prices. Increased wind penetration, with high geographic diversity, could mitigate some of the negative effects of coal plant retirement and lead to a significant reduction in air emissions, but wind forecast error might impose operational constraints on the system at times of peak load.

Keywords: Coal power plant retirements; Security constrained unit commitment; Power system reliability; Wind integration; EPA's regulations; Renewable Portfolio Standards (search for similar items in EconPapers)
Date: 2016
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Citations: View citations in EconPapers (5)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:enepol:v:95:y:2016:i:c:p:196-210

DOI: 10.1016/j.enpol.2016.04.015

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